Morvyan, The Doom Foretold

Flying, Indestructible
Morvyan isn't a creature unless you have thirty
despair counters on it. When Morvyan enters the
battlefield, target opponent sacrifices a creature
and you draw and discard a card. Whenever you
draw a card, gain life or a creature your opponent
control dies, put a despair counter on Morvyan.
{1}{w}{u}{b}, {t}: You gain 2 life.
{2}{w}{u}{b}, {t}: Draw a card.
{3}{w}{u}{b}, {t}: Destroy target creature.